CONCRETE
| Date | Clue |
|---|---|
| 2024-04-03 | Second-most-used substance in the world, after water |
| 2006-09-27 | Not imaginary |
| 2001-07-23 | Tangible |
| 2000-06-02 | Not metaphysical |
| 1998-09-07 | Basement floor material |
| Date | Clue |
|---|---|
| 2024-04-03 | Second-most-used substance in the world, after water |
| 2006-09-27 | Not imaginary |
| 2001-07-23 | Tangible |
| 2000-06-02 | Not metaphysical |
| 1998-09-07 | Basement floor material |